Fig. 3From: Agreement between self-reported pre-pregnancy weight and measured first-trimester weight in Brazilian womenBland and Altman plots for the agreement between self-reported pre-pregnancy weight and weight measured in the SISVAN data: a 30–94 days of pregnancy; b 30–60 days of pregnancy; c 30–45 days of pregnancy. Note: b & a limits: Limits as defined in Bland & Altman (1986): Mean difference ± 1.96 X Standard deviation of the differenceBack to article page